Features . 4.3” High Resolution Screen . 480*272 Pixel high resolution colour LCD . Advanced Call Process . 8 VoIP accounts . 7 Program Keys . Call Sharing/Bridged Lines . Multi programming function buttons . Speed Dial buttons. . Enterprise Address Book Application . Business contacts, Private phone book applications . Value-added business applications . Extensible Mark-up Language (XML) for Web-based information access Extend Modules . Supports 6 extend modules that totally contain 192 programming buttons . Busy Lamp Field function (BLF) and Line Share (BLA) . Support HTTP/TFTP/FTP . Auto-provision/TR069 for upgrade software . PoE Support . AC power adapter . Headset port . 2 x RJ45 .  Adjustable bracket . Clear voice . HD Voice, HD Codec and HD Handset . Supports Wifi and Bluetooth